:root {
            /* Black & White Glassmorphism Theme */
            --primary-gradient: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
            --soft-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
            --success-gradient: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
            --warning-gradient: linear-gradient(135deg, #4a4a4a 0%, #2c2c2c 100%);
            
            --bg-color: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #d1d1d6 100%);
            --secondary-bg-color: rgba(255, 255, 255, 0.8);
            --text-color: #1d1d1f;
            --text-secondary: rgba(29, 29, 31, 0.7);
            --hint-color: rgba(29, 29, 31, 0.5);
            
            --primary-color: #000000;
            --primary-light: #2c2c2c;
            --accent-color: #1d1d1f;
            --success-color: #1a1a1a;
            --warning-color: #4a4a4a;
            
            --card-bg: rgba(255, 255, 255, 0.8);
            --card-border: rgba(0, 0, 0, 0.1);
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.15);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.2);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.25);
            
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-fast: all 0.2s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            overscroll-behavior-x: none;
        }
        
        html {
            overflow-x: hidden;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #d1d1d6 100%) !important;
            background-attachment: fixed;
            color: #1d1d1f !important;
            overflow-x: hidden;
            overflow-y: auto;
            height: 100vh;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            touch-action: pan-y;
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -khtml-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }
        
        /* Переопределяем все стили Telegram WebApp */
        html, body {
            background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #d1d1d6 100%) !important;
            background-attachment: fixed;
        }
        
        /* Анимация появления элементов */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        
        .fade-in-up {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .scale-in {
            animation: scaleIn 0.4s ease-out forwards;
        }
        
        .app {
            display: flex;
            position: relative;
            background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #d1d1d6 100%);
            background-attachment: fixed;
            min-height: auto;
            padding-bottom: 0px;
        }
        
        /* Экран блокировки */
        .blocked-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #d1d1d6 100%);
            background-attachment: fixed;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            padding: 20px;
        }
        
        .blocked-content {
            text-align: center;
            max-width: 400px;
            padding: 40px 20px;
            background: var(--secondary-bg-color);
            border-radius: 20px;
            box-shadow: 0 10px 30px var(--shadow-color);
        }
        
        .blocked-icon {
            font-size: 80px;
            margin-bottom: 20px;
            color: #ff4444;
        }
        
        .blocked-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-color);
            margin-bottom: 15px;
        }
        
        .blocked-message {
            font-size: 16px;
            color: var(--hint-color);
            line-height: 1.5;
            margin-bottom: 30px;
        }
        
        .blocked-contact {
            font-size: 14px;
            color: var(--hint-color);
            background: var(--bg-color);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--card-border);
        }
        
        /* Главный контент */
        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.3s ease;
        }
        
        .main-content.sidebar-open {
            margin-left: 0;
        }
        
        /* Верхняя панель */
        .top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 20px;
            background: var(--tg-theme-secondary-bg-color, #f1f1f1);
            border-bottom: 1px solid var(--tg-theme-hint-color, #e0e0e0);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .menu-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        
        .menu-btn:hover {
            background: rgba(0,0,0,0.1);
        }
        
        .app-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--tg-theme-text-color, #000000);
            flex: 1;
            text-align: center;
        }
        
        .cart-btn {
            position: relative;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        
        .cart-btn:hover {
            background: rgba(0,0,0,0.1);
        }
        
        .cart-count {
            position: absolute;
            top: 2px;
            right: 2px;
            background: var(--tg-theme-button-color, #2481cc);
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }
        
        /* Loader с размытием */
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh; /* Высота видимой области экрана */
            height: 100dvh; /* Динамическая высота viewport для мобильных */
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            pointer-events: none; /* Не блокировать клики когда скрыт */
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        
        .page-loader.active {
            opacity: 1;
            visibility: visible;
            pointer-events: auto; /* Разрешить клики когда активен */
        }
        
        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-top-color: #1a1a1a;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* Overlay для sidebar */
        .sidebar-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 999;
        }
        
        .sidebar-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* Боковая панель */
        .sidebar {
            position: fixed;
            left: -280px;
            top: 0;
            width: 280px;
            height: 100vh;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px) saturate(120%);
            -webkit-backdrop-filter: blur(20px) saturate(120%);
            border-right: 1px solid rgba(0, 0, 0, 0.1);
            transition: left 0.3s ease;
            z-index: 1000;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
        }
        
        .sidebar.open {
            left: 0;
        }
        
        .sidebar-header {
            padding: 28px 20px;
            background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .sidebar-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 15px;
            position: relative;
            z-index: 1;
        }
        
        .user-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255,255,255,0.15);
            border: 2px solid rgba(255,255,255,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        
        .user-name {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }
        
        .user-status {
            font-size: 13px;
            opacity: 0.7;
            font-weight: 500;
        }
        
        .sidebar-menu {
            padding: 12px 0;
        }
        
        .menu-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 16px 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: #1d1d1f;
            letter-spacing: -0.2px;
            position: relative;
        }
        
        .menu-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 0;
            background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
            border-radius: 0 4px 4px 0;
            transition: height 0.3s ease;
        }
        
        .menu-item:hover {
            background: rgba(0, 0, 0, 0.04);
            padding-left: 24px;
        }
        
        .menu-item:hover::before {
            height: 60%;
        }
        
        .menu-icon {
            font-size: 20px;
            width: 24px;
            text-align: center;
        }
        
        /* Контент */
        .content {
            flex: 1;
            padding: 0;
            overflow-y: auto;
        }
        
        /* Приветственный экран */
        .welcome-screen {
            text-align: center;
            padding: 40px 20px;
        }
        
        .welcome-card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px) saturate(120%);
            -webkit-backdrop-filter: blur(20px) saturate(120%);
            border: 1px solid rgba(0, 0, 0, 0.1);
            padding: 30px 20px;
            border-radius: 16px;
            margin-bottom: 25px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        
        .welcome-title {
            font-size: 1.5rem;
            margin-bottom: 8px;
            font-weight: 700;
            color: #1d1d1f;
            letter-spacing: -0.5px;
        }
        
        .welcome-subtitle {
            font-size: 0.95rem;
            margin-bottom: 20px;
            color: rgba(29, 29, 31, 0.6);
            font-weight: 500;
            letter-spacing: -0.2px;
        }
        
        .start-btn {
            background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            letter-spacing: -0.2px;
        }
        
        .start-btn:hover {
            background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
        }
        
        /* Категории */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        
        .category-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .category-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 16px 48px rgba(0,0,0,0.2);
        }
        
        .category-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        
        .category-name {
            font-weight: 600;
            color: var(--tg-theme-text-color, #333);
        }
        
        /* Бренды */
        .brands-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .brand-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 15px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .brand-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
        }
        
        .brand-image {
            width: 60px;
            height: 60px;
            border-radius: 10px;
            background: var(--tg-theme-secondary-bg-color, #f1f1f1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }
        
        .brand-info {
            flex: 1;
        }
        
        .brand-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .brand-description {
            font-size: 14px;
            color: var(--tg-theme-hint-color, #666);
        }
        
        /* Вкусы */
        .flavors-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .flavor-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 2px 10px var(--shadow-color);
        }
        
        /* Универсальный класс для карточек с белым фоном */
        .card {
            background: var(--card-bg) !important;
            color: var(--text-color) !important;
        }
        
        /* Класс для кнопок */
        .btn {
            background: var(--button-color);
            color: var(--button-text-color);
            border: none;
        }
        
        /* Класс для вторичных кнопок */
        .btn-secondary {
            background: var(--secondary-bg-color);
            color: var(--text-color);
            border: 1px solid var(--card-border);
        }
        
        /* Класс для текста с подсказками */
        .text-hint {
            color: var(--hint-color) !important;
        }
        
        /* Тени */
        .shadow {
            box-shadow: 0 2px 10px var(--shadow-color) !important;
        }
        
        .flavor-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .flavor-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .flavor-description {
            font-size: 14px;
            color: var(--tg-theme-hint-color, #666);
        }
        
        .flavor-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--tg-theme-button-color, #2481cc);
        }
        
        .flavor-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .add-to-cart-btn {
            background: var(--tg-theme-button-color, #2481cc);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .add-to-cart-btn:hover {
            opacity: 0.9;
            transform: scale(1.05);
        }
        
        /* Скрытые экраны */
        .screen {
            display: none;
        }
        
        .screen.active {
            display: block;
        }
        
        /* Анимации */
        .fade-in {
            animation: fadeIn 0.3s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes slideIn {
            from { transform: translateX(100%); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        
        @keyframes slideOut {
            from { transform: translateX(0); opacity: 1; }
            to { transform: translateX(100%); opacity: 0; }
        }
        
        @keyframes slideInDown {
            from { 
                transform: translate(-50%, -100%); 
                opacity: 0; 
            }
            to { 
                transform: translate(-50%, 0); 
                opacity: 1; 
            }
        }
        
        @keyframes slideOutUp {
            from { 
                transform: translate(-50%, 0); 
                opacity: 1; 
            }
            to { 
                transform: translate(-50%, -150%); 
                opacity: 0; 
            }
        }
        
        @keyframes slideUp {
            from { transform: translateY(50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        
        /* Адаптивность */
        @media (max-width: 768px) {
            .main-content.sidebar-open {
                margin-left: 0;
            }
            
            .sidebar {
                width: 100%;
                left: -100%;
            }
            
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* Дополнительные стили для мобильных устройств */
        @media (max-width: 480px) {
            .category-card {
                padding: 20px;
            }
            
            .category-icon {
                font-size: 1.5rem;
                margin-bottom: 8px;
            }
            
            .category-name {
                font-size: 16px;
            }
            
            /* Улучшенные кнопки для мобильных */
            button {
                min-height: 44px;
                font-size: 16px;
            }
            
            /* Адаптивная сетка брендов */
            #user-brands-grid {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 8px;
            }
            
            /* Улучшенные карточки брендов */
            .brand-card {
                padding: 20px;
            }
            
            /* Адаптивная сетка товаров */
            #flavorsList > div {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important;
                gap: 10px !important;
                padding: 5px !important;
            }
            
            /* Улучшенные карточки товаров */
            #flavorsList .flavor-card {
                padding: 15px !important;
                border-radius: 12px !important;
            }
            
            #flavorsList h3 {
                font-size: 14px !important;
                margin-bottom: 8px !important;
            }
            
            #flavorsList button {
                padding: 6px 12px !important;
                font-size: 11px !important;
                min-height: 40px !important;
            }
            
            /* Адаптивные фильтры */
            .quick-filters {
                gap: 8px;
            }
            
            .quick-filters button {
                padding: 10px 16px;
                font-size: 13px;
                min-height: 40px;
            }
        }
        
        /* Стили для очень маленьких экранов */
        @media (max-width: 360px) {
            .category-card {
                padding: 15px;
            }
            
            .category-name {
                font-size: 14px;
            }
            
            #user-brands-grid {
                padding: 5px;
            }
            
            .brand-card {
                padding: 15px;
            }
            
            /* Адаптивная сетка товаров для очень маленьких экранов */
            #flavorsList > div {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)) !important;
                gap: 8px !important;
                padding: 3px !important;
            }
            
            /* Улучшенные карточки товаров для очень маленьких экранов */
            #flavorsList .flavor-card {
                padding: 12px !important;
                border-radius: 10px !important;
            }
            
            #flavorsList h3 {
                font-size: 12px !important;
                margin-bottom: 6px !important;
            }
            
            #flavorsList button {
                padding: 4px 8px !important;
                font-size: 10px !important;
                min-height: 36px !important;
            }
        }
        
        /* Отключаем выделение текста на мобильных */
        * {
            -webkit-tap-highlight-color: transparent;
        }